condition mean min max 0 h after light 24.70965 22.4558 26.9635 4 h after light 16.2025 15.0757 17.3293 8 h after light 10.553049999999999 10.3612 10.7449 4 h after dark 12.93535 12.0063 13.8644 8 h after dark 11.8813 11.516 12.2466 12 h after dark 20.055500000000002 15.2227 24.8883